SHIYAN 27C, 63601
Orbit data source: Space-Track
SHIYAN 27C, 63601 is a payload satellite owned by CAST (CN) in SSO that was launched on Fri, 18 Apr 2025 UTC via a CHANG ZHENG 6A launch vehicle from the Taiyaun Space Center, China (TSC). Payload-class satellites include a variety of spacecraft equipped with specific instruments for various scientific and technological missions. These include communications satellites like Starlink; space stations such as the ISS; scientific satellites like the Hubble; Earth observation satellites from companies like Planet Labs, Umbra, and HawkEye 360; GPS; miniature CubeSats for education and research; and military/defense satellites.
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63601 intel report (Beta)
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Identifier
Orbit
Country
CN / PRCRelated business
Manufacturer
CAST
Mission
Operational Defense Radar Imaging
Bus & Motor
SW27, Unknown motor
Mass
300 kg wet, ~300 kg dry
Launch date (UTC)
Launch vehicle
Launch site
Object type
Shape & HBR
Box + 1 Pan, 1.9 m
Radar Cross Section
13.200 m², Large (>1 m²)
Expand to show TLE details & historyLast TLE update: 12 hours ago
TLE from 12 hours ago
0 SHIYAN 27C
1 63601U 25078C 26171.47709601 -.00000010 00000-0 48648-4 0 9995
2 63601 99.6910 178.7223 0001187 91.1722 268.9552 13.57246394 57981Epoch: 2026-06-20T11:27Z
TLE epoch observation values (Epoch: 2026-06-20T11:27:01.095Z)
Latitude
-0.00005°
Longitude
98.27659°
Altitude
1,048.528 km
Speed
7.328 km/s
True Right ascension
11h 54m 53s
True Declination
0° 00' 00"
Sunlit
Visualization orbit readout
Latitude
Unknown
Longitude
Unknown
Altitude
Unknown
Speed
Unknown
Apparent Right ascension
Unknown
Apparent Declination
Unknown
Sunlit
Visualization observer readout
Local Sidereal Time
10:19:00
Azimuth
Unknown
Elevation
Unknown
Doppler factor
Unknown
Orbital elements
Apogee altitude
1,043.888 km
Perigee altitude
1,042.127 km
Semi-major axis
7,421.144 km
Eccentricity
0.00012
Inclination
99.691°
RAAN
178.7223°
Arg. of periapsis
91.1722°
True anomaly
268.9416°
Mean anomaly
268.9552°
Eccentric anomaly
268.9484°
Mean motion
3.39498 °/min
Orbital period
106.04 mins
BSTAR
0.000048648
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Other satellites on launch #78 in the year 2025 (2025-04-18 UTC)
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You can import UDL-sourced sensor .json files into the Sandbox to generate a visibility chart that accounts for multi-vendor sensor geometry.SHIYAN 27C Visibility forecast
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Span | Click to sort rows by Start time (UTC) header in descending order | Start Az. | Max El. time (UTC) | Max El. Az. | Max El. | End time (UTC) | End Az. |
|---|---|---|---|---|---|---|---|
| 11 mins | 2026-06-20 23:56:45.220Z | 146.418° SSE | 2026-06-21 00:02:45.220Z | 58.019° ENE | 40.47° | 2026-06-21 00:07:45.220Z | 355.079° N |
| 8 mins | 2026-06-21 01:43:45.220Z | 225.887° WSW | 2026-06-21 01:47:45.220Z | 271.051° WNW | 20.515° | 2026-06-21 01:51:45.220Z | 312.488° NW |
| 11 mins | 2026-06-21 12:49:45.220Z | 31.7° NE | 2026-06-21 12:54:45.220Z | 101.499° ESE | 35.794° | 2026-06-21 13:00:45.220Z | 171.984° S |
| 9 mins | 2026-06-21 14:34:45.220Z | 347.717° N | 2026-06-21 14:38:45.220Z | 300.94° NW | 26.423° | 2026-06-21 14:43:45.220Z | 242.429° WSW |
| 7 mins | 2026-06-21 23:00:45.220Z | 95.551° ESE | 2026-06-21 23:03:45.220Z | 61.172° ENE | 20.62° | 2026-06-21 23:07:45.220Z | 17.932° NNE |
Co-orbital & Co-planar RSOs
Thresholds — Semi-major Axis: ±100 km, RAAN: ±3°, Inclination: ±5°
TCA is derived from TLE conjunctions
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CAUTION: Conjunctions in this section are generated from low-fidelity TLE screenings
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